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A241227 as a simple table

na(n)
10
212
3648
46084
530444
6107376
7302916
8732024
91576728
103111012
115724852
129952620
1316509336
1426321160
1540567872
1660724104
1788605480
18126413772
19176788476
20242874756
21328359624
22437553360

[0,12,648,6084,30444,107376,302916,732024,1576728,
 3111012,5724852,9952620,16509336,26321160,
 40567872,60724104,88605480,126413772,176788476,
 242874756,328359624,437553360]